Galileo precedes today’s physicists by many generations, but his work underscores the interplay of intellect and observation ...

On this date, Jan. 7, 1610, astronomer Galileo Galilei, with a homemade telescope, noticed three points of light near Jupiter. Initially believing they were distant stars, Galileo’s repeated ...

Newly understood instrumentation readings returned in the 1990s from NASA’s Galileo spacecraft in orbit of Jupiter have revealed that the craft not only encountered but also flew through ejecta ...

NASA officials said what Juno spotted was 'the most powerful volcanic event ever recorded on the most volcanic world in our ...

In January 1610, astronomer Galileo Galilei spotted what he thought were four small stars tagging along with Jupiter. These pinpricks of light are actually Jupiter's four largest moons ...

But it won't be a star that will be keeping the moon company on this early winter's evening, but the largest planet in the ...

Among them was the discovery of four moons orbiting Jupiter. To Galileo, the moons proved that not everything in space circled the Earth, and therefore our planet was not the absolute center of ...

On this date, Jan. 17, 2002, the Galileo probe made it’s 33 rd pass of Jupiter’s moon, Io. After Voyager 1’s pass in 1979, Io was dubbed the most volcanically active place in the solar system.

“Their discovery is credited to Galileo, but they were possibly discovered ... four tone poems about the largest moons of Jupiter—Io, ... [+] Ganymede, Callisto and Europa.

Galileo made himself one of the world's first telescopes and discovered the moons of Jupiter. He supported Copernicus' theory that the Earth revolved around the Sun. This brought him in conflict ...